20-COMM-H

Overview

• Model: 20-COMM-H

• Type: RS-485 HVAC Communication Adapter

• Category: Communication Module

• Compatible Drives: PowerFlex drives and DPI external communication kits

Communication Specification

• Network Protocols Supported:

  • Modbus RTU (4800, 9600, 19200, 38400 baud)

  • Metasys N2 (9600 baud)

  • Siemens Building Technologies P1 FLN (4800 or 9600 baud)

• Drive Protocol: DPI

• DPI Data Rates: 125 kbps or 500 kbps

Electrical Specification

• Drive Consumption: 150 mA at 5 VDC (supplied by host drive)

• Network Consumption: None

Mechanical Specification

• Dimensions:

  • Height: 19 mm (0.75 in)

  • Length: 86 mm (3.39 in)

  • Width: 78.5 mm (3.09 in)

• Weight: 85 g (3 oz)

Environmental Specification

• Operating Temperature Range: -10–50 °C (14–122 °F)

• Storage Temperature Range: -40–85 °C (-40–185 °F)

• Relative Humidity: 5–95%, non-condensing

---